diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index ce9f08628..f298452cb 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Scala Steward: Reformat with scalafmt 3.8.0
 c7afd84c5921949600cd336bbc72acbb41d2342b
+
+# Scala Steward: Reformat with scalafmt 3.8.3
+fd4b05723aa0d0ab98f75475ed73c61549a08878
diff --git a/.scalafmt.conf b/.scalafmt.conf
index c911c2cee..31d427c8a 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.8.1
+version = 3.8.3
 runner.dialect = scala212
 
 project.git = true
diff --git a/build.sbt b/build.sbt
index bfe4319f6..4afb5cd89 100644
--- a/build.sbt
+++ b/build.sbt
@@ -430,7 +430,8 @@ lazy val zincCompileCore = (projectMatrix in internalPath / "zinc-compile-core")
     ),
     Test / unmanagedJars := Seq((compilerBridge212 / Compile / packageSrc).value).classpath,
     Compile / managedSourceDirectories += (Compile / generateContrabands / sourceManaged).value,
-    Compile / generateContrabands / sourceManaged := (internalPath / "zinc-compile-core" / "src" / "main" / "contraband-java").getAbsoluteFile,
+    Compile / generateContrabands / sourceManaged := (internalPath / "zinc-compile-core" / "src" / "main" / "contraband-java")
+      .getAbsoluteFile,
     mimaSettings,
     mimaBinaryIssueFilters ++= ZincBuildUtil.excludeInternalProblems,
   )
diff --git a/internal/compiler-bridge/src/main/scala/xsbt/Dependency.scala b/internal/compiler-bridge/src/main/scala/xsbt/Dependency.scala
index 1241b9468..e7425ca1b 100644
--- a/internal/compiler-bridge/src/main/scala/xsbt/Dependency.scala
+++ b/internal/compiler-bridge/src/main/scala/xsbt/Dependency.scala
@@ -452,7 +452,8 @@ final class Dependency(val global: CallbackGlobal) extends LocateClassFile with
         val inheritanceSymbols = inheritanceTypes.flatMap(flattenTypeToSymbols)
 
         debuglog(
-          "Parent types for " + tree.symbol + " (self: " + self.tpt.tpe + "): " + inheritanceTypes + " with symbols " + inheritanceSymbols
+          "Parent types for " + tree.symbol + " (self: " + self.tpt
+            .tpe + "): " + inheritanceTypes + " with symbols " + inheritanceSymbols
             .map(_.fullName)
         )
 
diff --git a/internal/zinc-apiinfo/src/main/scala/xsbt/api/SameAPI.scala b/internal/zinc-apiinfo/src/main/scala/xsbt/api/SameAPI.scala
index 61701572f..bc926caa5 100644
--- a/internal/zinc-apiinfo/src/main/scala/xsbt/api/SameAPI.scala
+++ b/internal/zinc-apiinfo/src/main/scala/xsbt/api/SameAPI.scala
@@ -101,7 +101,8 @@ class SameAPI(includePrivate: Boolean, includeParamNames: Boolean) {
   ): Boolean =
     debug(
       sameStrings(a.keySet, b.keySet),
-      "\tDefinition strings differed (a: " + (a.keySet -- b.keySet) + ", b: " + (b.keySet -- a.keySet) + ")"
+      "\tDefinition strings differed (a: " + (a.keySet -- b.keySet) + ", b: " + (b.keySet -- a
+        .keySet) + ")"
     ) &&
       zippedEntries(a, b).forall(tupled(sameNamedDefinitions))
 
@@ -236,7 +237,8 @@ class SameAPI(includePrivate: Boolean, includeParamNames: Boolean) {
   def sameFieldSpecificAPI(a: FieldLike, b: FieldLike): Boolean =
     debug(
       sameFieldCategory(a, b),
-      "Different field categories (" + a.name + "=" + a.getClass.getName + " -- " + a.name + "=" + a.getClass.getName + ")"
+      "Different field categories (" + a.name + "=" + a.getClass.getName + " -- " + a.name + "=" + a
+        .getClass.getName + ")"
     ) &&
       debug(sameType(a.tpe, b.tpe), "Different field type for " + a.name)
 
@@ -350,7 +352,8 @@ class SameAPI(includePrivate: Boolean, includeParamNames: Boolean) {
   def differentCategory(label: String, a: AnyRef, b: AnyRef): Boolean =
     debug(
       flag = false,
-      "Different category of " + label + " (" + a.getClass.getName + " and " + b.getClass.getName + ") for (" + a + " and " + b + ")"
+      "Different category of " + label + " (" + a.getClass.getName + " and " + b.getClass
+        .getName + ") for (" + a + " and " + b + ")"
     )
 
   def sameParameterized(a: Parameterized, b: Parameterized): Boolean =
diff --git a/internal/zinc-persist/src/main/scala/sbt/internal/inc/binary/converters/ProtobufDefaults.scala b/internal/zinc-persist/src/main/scala/sbt/internal/inc/binary/converters/ProtobufDefaults.scala
index 6d801c226..792e397de 100644
--- a/internal/zinc-persist/src/main/scala/sbt/internal/inc/binary/converters/ProtobufDefaults.scala
+++ b/internal/zinc-persist/src/main/scala/sbt/internal/inc/binary/converters/ProtobufDefaults.scala
@@ -89,7 +89,7 @@ object ProtobufDefaults {
 
   object Feedback {
     implicit class StringToException(str: String) {
-      def `!!` : Nothing = sys.error(str)
+      def `!!`: Nothing = sys.error(str)
     }
 
     object Writers {